Siemens FC924 - Pin Assignments

FS20 Marine Fire Detection Control Panel
82
Siemens Industry, Inc. A6V10519176_enUS_b
Building Technologies Division
15.5 Pin Assignments
15.5.1 Connector X3
Pin
Designation
Description
4 A1 Circuit 1 (+)
3 B1 Circuit 1 (–)
2 A2 Circuit 2 (+)
1 B2 Circuit 2 (–)
Admissible cable cross-section: 12…26 AWG
Wiring for class A network
B2A2B1A1
12
3
4
FN2001
X3
Class A SAFEDLINK wiring
First
SAFEDLINK module
Intermediate
SAFEDLINK modules
Pair 1
Pair 2
Pair n
B2A2B1A1
12
3
4
X3
B2A2B1A1
12
3
4
X3
B2A2B1A1
12
3
4
X3
Pair n
FN2001 FN2001 FN2001
Last
SAFEDLINK module
View of wiring for class A SAFEDLINK network